CN106145231A - Apparatus and method for deoxygenation - Google Patents
Apparatus and method for deoxygenation Download PDFInfo
- Publication number
- CN106145231A CN106145231A CN201510131736.7A CN201510131736A CN106145231A CN 106145231 A CN106145231 A CN 106145231A CN 201510131736 A CN201510131736 A CN 201510131736A CN 106145231 A CN106145231 A CN 106145231A
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- China
- Prior art keywords
- compartment
- gas diffusion
- oxygen
- diffusion membrane
- membrane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000006392 deoxygenation reaction Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000012528 membrane Substances 0.000 claims abstract description 64
- 239000007789 gas Substances 0.000 claims abstract description 49
- 238000009792 diffusion process Methods 0.000 claims abstract description 47
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 36
- 239000001301 oxygen Substances 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 28
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 12
- 235000010265 sodium sulphite Nutrition 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 3
- 230000002209 hydrophobic effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 239000008367 deionised water Substances 0.000 description 8
- 229910021641 deionized water Inorganic materials 0.000 description 8
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
- 229910001882 dioxygen Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000011151 fibre-reinforced plastic Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 229950000845 politef Drugs 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0031—Degasification of liquids by filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2315/00—Details relating to the membrane module operation
- B01D2315/22—Membrane contactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/38—Hydrophobic membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/02—Hollow fibre modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
Abstract
The invention discloses the apparatus and method for deoxygenation, a kind of device for deoxygenation being directed to, comprising: gas diffusion membrane, it includes the first side and the second side on the other side；First compartment, it is positioned at the first side of described gas diffusion membrane, for housing the current comprising oxygen；With the second compartment, it is positioned at the second side of described gas diffusion membrane, is used for housing consumption liquid, the oxygen that the consumption of described consumption liquid is spread from described first compartment and come.The invention still further relates to accordingly for the method for deoxygenation.
Description
Technical field
The present invention relates to the apparatus and method for deoxygenation, in particular for remove water oxygen gas device and
Method.
Background technology
The water oxygen gas such as the dissolved oxygen being such as dissolved in the water are because corrosion water container, aqueduct etc. is former
So that remove from water before entering the container such as boiler, water-supply-pipe, pipeline.
Existing apparatus and method generally use the mode such as evacuation or gas purging to remove water oxygen gas, but
The deaerating effect of these apparatus and method can not adapt to various different demand.
It is then desired to the new apparatus and method for deoxygenation.
Summary of the invention
On the one hand, embodiments of the invention relate to the device of deoxygenation, comprising: gas diffusion membrane,
It includes the first side and the second side on the other side；First compartment, it is positioned at the of described gas diffusion membrane
Side, for housing the current comprising oxygen；And, the second compartment, it is positioned at described gas diffusion membrane
Second side, is used for housing consumption liquid, and described consumption liquid consumes the oxygen come from described first compartment diffusion.
On the other hand, embodiments of the invention relate to the method for deoxygenation, comprising: comprise described
First compartment of the device for deoxygenation that the current input embodiments of the invention of oxygen relate to；And, will
Described consumption liquid inputs described second compartment, to consume the described oxygen from described first compartment.
Accompanying drawing explanation
Read detailed description below with reference to accompanying drawing, can help to understand inventive feature, aspect and excellent
Point, wherein:
Fig. 1-3 show the schematic diagram of devices in accordance with embodiments of the present invention.
Detailed description of the invention
Defining separately unless clear in the present invention, the implication of the scientific and technical terms used is institute of the present invention
Belong to the implication that those skilled in the art are generally understood that.In the present invention use " including ", " comprising ",
" have " or " containing " and similar word refer in addition to being listed in project thereafter and equivalent thereof,
Other project also can be within scope.
Approximation term in the present invention is used for modifying quantity, represents that the present invention is not limited to described concrete number
Amount, also includes close to described quantity, acceptable, to be not result in relevant basic function change
The part revised.Accordingly, modify a numerical value with " about ", " about ", " left and right " etc., mean this
Invention is not limited to described exact numerical.In some embodiments, approximation term likely corresponds to measure numerical value
The precision of instrument.Numerical range in the present invention can merge and/or exchange, unless the most clearly illustrated,
Numerical range includes its all numerical value subranges contained.
In the specification and in the claims, unless clearly dictated otherwise, the DANFU number of all items is not added with
To limit.In present patent application description and claims use " first ", " second ",
And similar word is not offered as any order, quantity or importance, and it is used only to distinguish difference
Element or embodiment etc..
Unless the context clearly dictates otherwise, term "or", " or " be not meant to exclusive, and
Refer to that at least one in project (such as composition) is mentioned in existence, and include that the combination mentioning project can
With situation about existing.
Description of the invention is mentioned " some embodiments " etc., represents described related to the present invention one
Plant specific factor (such as feature, structure and/or feature) and be comprised at least one described in this specification
In embodiment, may or it is unlikely that in other embodiments.In addition, it is necessary to be understood by, described
Invention key element can combine in any suitable manner.
Hereinafter, embodiments of the present invention are described with reference to the accompanying drawings, many institute's weeks will not be described in detail
The function known and structure, to avoid making the present invention seem puzzling because of unnecessary details.
Fig. 1 to 3 show according to an embodiment of the invention for the showing of device 10,20,30 of deoxygenation
It is intended to.Device 10,20,30 include: gas diffusion membrane 11,21,31, it includes the first side 12,
22,32 and the second side 13,23,33 on the other side；First compartment 14,24,34, it is positioned at institute
State gas diffusion membrane 11, first side 12 of 21,31,22,32, comprise oxygen 40 for collecting, 50,
The current 15,25,35 of 60；And, the second compartment 16,26,36, it is positioned at described gas diffusion membrane
Second side 13 of 11,21,31,23,33, it is used for housing consumption liquid 17,27,37, described consumption
Liquid 17,27,37 consume the oxygen 40,50,60 come from described first compartment 14,24,34 diffusion.
" gas diffusion membrane " or similar term that the present invention mentions refer to gas and can spread from its side
To opposite side but the intransitable film of liquid.In some embodiments, described gas diffusion membrane 11,21,31
Hydrophobic and porous.In some embodiments, described gas diffusion membrane 11,21,31 is micro-filtration membrane.Some are real
Executing in example, described gas diffusion membrane 11,21,31 is ultrafilter membrane.In some embodiments, described gas expands
Dissipate film 11,21,31 by material systems such as politef, Kynoar, polyethylene or polrvinyl chloride
?.
Being contained in the first compartment 14, the current 15,25,35 in 24,34 can be containing oxygen 40,
Any current of 50,60.In some embodiments, current 15,25, except oxygen 40 in 35,50,
60, possibly together with salts such as other materials, the such as sodium chloride being dissolved in the water.In some embodiments, oxygen
Gas 40,50,60 are dissolved in current 15, in 25,35.
As it is shown in figure 1, in some embodiments, described device 10 includes supporting gas diffusion membrane described in a pair
The support 18 of 11.Described gas diffusion membrane 11 is Flat Membrane, constitutes membrane module 41 together with support 18.
Described first compartment 14 is between the first side 12 of the pair of gas diffusion membrane 11.
In some embodiments, container 19 houses some described supports 18 and corresponding gas diffusion membrane 11.
Described second compartment 16 is positioned at outside container 19, membrane module 41.
As in figure 2 it is shown, in some embodiments, described device 20 includes being positioned at gas diffusion membrane described in a pair
Filter 28 between 21.In some embodiments, filter 28 and gas diffusion membrane 21 are wound in pivot 29
On, constitute membrane module 51.In some embodiments, described gas diffusion membrane 21 is Flat Membrane.Gas expands
Dissipating between the first side 22 of film 21 is the first compartment 24, is the second compartment 26 between the second side 23.
As it is shown on figure 3, in some embodiments, described gas diffusion membrane 31 is hollow-fibre membrane, self structure
Become membrane module 61.In some embodiments, described first side 32 is inner side, and described gas diffusion membrane 31 is fixed
Described first compartment 34 of justice is in the inner.In some not shown embodiments, described second side is inner side, in
Hollow fiber film defines described second compartment in the inner.
In some embodiments, container 39 house some described gas diffusion membranes 31 and define described second every
Room 36 is in the inner.Described second side 33 is the outside of gas diffusion membrane 31, and the second compartment 36 is positioned at gas
Outside bulk diffusion film 31.In some not shown embodiments, container houses hollow-fibre membrane and defines described
First compartment is in the inner.Described first side is the outside of gas diffusion membrane, and the first compartment is positioned at gas diffusion
Outside film.
Can be according to concrete applied environment, the most different current 15,25,35, consume liquid 17,27,
37, gas diffusion membrane 11,21,31, or deoxygenation requirement etc., select container, support, pivot or
Filter.In some embodiments, container 19,39 is by glass, plastics (such as fiber-reinforced plastic) or alloy
(such as rustless steel) etc. prepare.In some embodiments, container is cylindrical, cuboid or square etc.
Structure.In some embodiments, support 18 by glass, plastics (such as fiber-reinforced plastic) or alloy (as
Rustless steel) etc. prepare.In some embodiments, support 18 constructs for square frame-shaped.In some embodiments, pivot
Axle and filter are prepared by plastics.
By the described oxygen 40 that comprises, the current 15,25,35 of 50,60 input the first compartment 14,24,
34.By described consumption liquid 17,27,37 input described second compartment 16,26,36, with consume from
The oxygen 40,50,60 of described first compartment 14,24,34.First compartment 14,24,34 and the second
Compartment 16,26,36 lay respectively at gas diffusion membrane 11, the adjacent both sides of 21,31.
The oxygen 40,50,60 of the first compartment 14,24,34 diffuses to the second compartment 16, and 26,36,
Being consumed liquid 17,27,37 consume, current 15,25, and the oxygen 40,50,60 in 35 is removed,
From first compartment 14,24,34 output current 42, in 52,62 oxygen concentration less than input first every
Room 14,24, the current 15 of 34, in 25,35 oxygen 40, the concentration of 50,60.
In some embodiments, described consumption liquid 17,27,37 and the reaction of described oxygen 40,50,60 from
And consume described oxygen 40,50,60.In some embodiments, described consumption liquid 17,27,37 is for also
Originality solution.In some embodiments, described consumption liquid 17,27,37 comprises sodium sulfite.Some are implemented
In example, from device 10,20, the 30 consumption liquid 43 flowed out, the concentration of sodium sulfite in 53,63 is less than
Input equipment 10,20, the consumption liquid 17 of 30, the concentration of sodium sulfite in 27,37.
In some embodiments, current 15,25,35 once-through the first compartments 14,24,34.Some
In embodiment, current 15,25,35 are circulated through the first compartment 14,24,34.In some embodiments,
Consume liquid 17,27,37 once-through the second compartment 16,26,36.In some embodiments, consume liquid
17,27,37 are circulated through the second compartment 16,26,36.
According to for the requirement of deaerating effect and the difference of concrete current composition, adjustable consumes liquid 17,
The composition of 27,37 and concentration, adjustable consume the flow of liquid 17,27,37 relative to current 15, and 25,
The ratio of the flow of 35, use suitable cyclic process or select gas diffusion membrane 11,21,31
Kind or design parameter.
The apparatus and method for deoxygenation that the present embodiments relate to are totally different in traditional apparatus and method,
And low cost, efficiency are high, deaerating effect is good, floor space is little.
Experimental example
Following experimental example can be to have the people of general technical ability in this area to implement the present invention and provide reference.
These examples do not limit the scope of the claims.
Example 1
With the hydrophobic PTFE film in 0.22 micron of aperture as gas diffusion membrane.Expand with two gases
Dissipate film and a stainless steel stent forms a thickness 5 millimeters, length 200 millimeters, the film group of wide 150 millimeters
Part, the volume that membrane module is filled with water is 150 milliliters, and membrane area is 480 square centimeters.Membrane module is put into
Glass container.Deionized water is inputted first in described membrane module between two gas diffusion membrane the first sides
Compartment so that it is with the flow rate of 60 ml/min.By 500 milliliters, the sodium sulfite of 1 mol/L
Solution injects the second compartment in container, outside membrane module as consuming liquid.With Mei Teletuo benefit (Mettler
Toledo) during dissolved oxygen meter convection current goes out the deionized water of membrane module, oxygen concentration measures.Record with experiment
The time oxygen concentration of change is as shown in table 1 below:
Table 1
| Experimental period (second) | Oxygen concentration (ppm) |
| 0 | 7.46 |
| 30 | 4.33 |
| 60 | 1.12 |
| 90 | 0.96 |
| 120 | 0.34 |
| 150 | 0.12 |
| 180 | 0.02 |
| 210 | 0.01 |
| 240 | 0.01 |
| 270 | 0.01 |
| 300 | 0.01 |
As can be seen from Table 1, when experiment starts, in deionized water, oxygen concentration is 7.46ppm,
In about 210 seconds subsequently, in described deionized water, oxygen concentration is down to about 0.01ppm.Thus may be used
Seeing, these apparatus and method effectively eliminate the oxygen in described deionized water, oxygen concentration are fallen below non-
The lowest level.
Example 2
Repeat example 1, but in deionized water, the initial concentration of oxygen is 10ppm.Deionized water stream respectively with
60 ml/min, 90 ml/min, 120 ml/min, 250 ml/min, 270 ml/min
Flow velocity inject in described membrane module the first compartment between two gas diffusion membrane the first sides, in container,
In the second compartment outside membrane module consume liquid be concentration be the sodium sulfite solution of 2.46 mol/L.Record water
The time of staying in membrane module, measure oxygen concentration in the deionized water of different in flow rate outflow membrane module,
I.e. ultimate density, obtains what the film of unit are processed within the unit interval with flow rate of water flow divided by membrane area
The water yield, i.e. film throughput, with the initial concentration of oxygen deduct flow out membrane module time ultimate density after divided by
The percentage ratio that initial concentration obtains is deoxygenation rate.Aforementioned data is listed in the table below 2.
Table 2
As seen from the data in Table 2, described apparatus and method at flow velocity from 60 ml/min to 270 ml/min
The deoxygenation rate greater than about 99.5% of clock scope, and also may be used in the case of flow velocity is up to 250 ml/min
Oxygen concentration is dropped to 10ppb (0.01ppm), thus film throughput is bigger.Compared to prior art
Speech, deoxygenation rate improves, and the water yield that the film of unit are processed within the unit interval also increases,
Thus in the case of the identical water yield, the consumption of film decreases, and it is cheap to consume liquid, and cost obtains
Reduce.
Although being shown the present invention in conjunction with the specific embodiments, but those skilled in the art is permissible
Understand, the present invention be may be made that many amendments and modification.It is therefore contemplated that, claims
It is intended to cover all such modifications in true spirit of the present invention and scope and modification.
Claims (11)
1. for a device for deoxygenation, including:
Gas diffusion membrane, it includes the first side and the second side on the other side；
First compartment, it is positioned at the first side of described gas diffusion membrane, for housing the current comprising oxygen；
And,
Second compartment, it is positioned at the second side of described gas diffusion membrane, is used for housing consumption liquid, described in disappear
The oxygen that consumption liquid consumption comes from described first compartment diffusion.
2. device as claimed in claim 1, it support including supporting gas diffusion membrane described in a pair, its
Described in the first compartment between the first side of the pair of gas diffusion membrane.
3. device as claimed in claim 2, it includes housing some described supports and corresponding gas diffusion membrane
Container.
4. device as claimed in claim 1, it includes at filter between gas diffusion membrane described in a pair.
5. device as claimed in claim 4, it includes pivot, wherein said filter and the diffusion of described gas
Film is wound on described pivot.
6. device as claimed in claim 1, wherein said gas diffusion membrane be define described first compartment in
Its interior hollow-fibre membrane.
7. device as claimed in claim 6, it includes housing some described gas diffusion membranes and defining described
Second compartment container in the inner.
8. device as claimed in claim 1, wherein said gas diffusion membrane is hydrophobic and porous.
9. for a method for deoxygenation, including:
By the of the described current comprising oxygen input device as in any of the one of claim 1-8
One compartment；With
Described consumption liquid is inputted described second compartment, to consume the described oxygen from described first compartment.
10. method as claimed in claim 9, wherein said consumption liquid and described oxygen reaction.
11. methods as claimed in claim 9, wherein said consumption liquid comprises sodium sulfite.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510131736.7A CN106145231A (en) | 2015-03-24 | 2015-03-24 | Apparatus and method for deoxygenation |
| PCT/US2016/023152 WO2016154005A1 (en) | 2015-03-24 | 2016-03-18 | Apparatus and method for deoxygenation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510131736.7A CN106145231A (en) | 2015-03-24 | 2015-03-24 | Apparatus and method for deoxygenation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106145231A true CN106145231A (en) | 2016-11-23 |
Family
ID=55755691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510131736.7A Pending CN106145231A (en) | 2015-03-24 | 2015-03-24 | Apparatus and method for deoxygenation |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106145231A (en) |
| WO (1) | WO2016154005A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994016800A1 (en) * | 1993-01-28 | 1994-08-04 | Tygola Pty. Ltd. | Perstraction with chemical reaction |
| US5639375A (en) * | 1995-03-01 | 1997-06-17 | Neomecs Incorporated | Concentration of pesticides by membrane perstraction |
| US5876604A (en) * | 1996-10-24 | 1999-03-02 | Compact Membrane Systems, Inc | Method of gasifying or degasifying a liquid |
| CN1499992A (en) * | 2001-02-07 | 2004-05-26 | Process for degassing queous plating solution | |
| CN1741841A (en) * | 2003-04-22 | 2006-03-01 | 密科理股份有限公司 | Pleated construction for effecting gas transfer membrane |
| CN1988949A (en) * | 2004-07-02 | 2007-06-27 | 美国废水过滤集团公司 | Gas transfer membrane |
-
2015
- 2015-03-24 CN CN201510131736.7A patent/CN106145231A/en active Pending
-
2016
- 2016-03-18 WO PCT/US2016/023152 patent/WO2016154005A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994016800A1 (en) * | 1993-01-28 | 1994-08-04 | Tygola Pty. Ltd. | Perstraction with chemical reaction |
| US5639375A (en) * | 1995-03-01 | 1997-06-17 | Neomecs Incorporated | Concentration of pesticides by membrane perstraction |
| US5876604A (en) * | 1996-10-24 | 1999-03-02 | Compact Membrane Systems, Inc | Method of gasifying or degasifying a liquid |
| CN1499992A (en) * | 2001-02-07 | 2004-05-26 | Process for degassing queous plating solution | |
| CN1741841A (en) * | 2003-04-22 | 2006-03-01 | 密科理股份有限公司 | Pleated construction for effecting gas transfer membrane |
| CN1988949A (en) * | 2004-07-02 | 2007-06-27 | 美国废水过滤集团公司 | Gas transfer membrane |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016154005A1 (en) | 2016-09-29 |
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